Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 18:20Z
ΔS ≥ 0
∑_{k=1}^{n} k = n(n+1)/2
468K
\oint_C \vec{F}\cdot d\vec{r} = 0
d/dθ [θ^4] = 4θ^3
∑_{k=1}^{n} k = n(n+1)/2
339K
det| 5 5 ; 7 6 | = -5
det| 9 4 ; 1 10 | = 86
121K
\oint_C \vec{F}\cdot d\vec{r} = 0
∫₀^∞ e^(-ω²) dω = √π / 2
399K
∫₀^∞ e^(-x²) dx = √π / 2
316K
∫₀^∞ e^(-ω²) dω = √π / 2
∑_{k=1}^{n} k = n(n+1)/2
11K
5φ² + 8φ + 1 = 0